食物中的维生素E能提高肌肉系统的工作效率，有效地促进氧气利用。
Vitamin E foods increase the efficiency of the entire muscular system by promoting efficient use of Oxygen.
有的细菌利用光合作用所产生的氧气，进一步改变了大气层，使其成为今天的样子。
Bacteria that used oxygen produced by photosynthesis further altered the atmosphere to what we find today.
这是因为深呼吸有助于身体更好地利用氧气交换。
That's because taking a deep breath will help your body make better use of oxygen exchange.
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